Best Cross-Platform Development Products in 2026

A multi-platform .NET UI framework.

Key Avalonia features:

Cross-Platform MVVM Support Rich Styling System Open Source

Open Source

A simple way to keep all your data under control. Build your own business applications in just 4 minutes.

Key Tabidoo features:

User-Friendly Interface Customizable Data Management Collaboration

Try for free freemium €60.0 / Monthly (Small 10 apps, 25 tables, 25 000 records)

Build Mobile, Desktop and WebAssembly apps with C# and XAML.

Key Uno Platform features:

.NET IDEs Cross-Platform Development Hot Reload Native Performance

Open Source free

Build beautiful native apps in record time 🚀.

Key Flutter features:

Cross-Platform Development Hot Reload Rich Set of Pre-Built Widgets Performance

Open Source

Build cross platform desktop apps with web technologies.

Key Electron features:

Cross-Platform Compatibility Web Technologies Rich Ecosystem Auto-Update Mechanism

Open Source

Embeddable HTML/CSS/script engine.

Key Sciter features:

Lightweight Self-contained Good performance Cross-platform

Open Source

Powerful, flexible and easy to use, Qt will help you not only meet your tight deadline, but also reduce the maintainable code by an astonishing percentage.

Key Qt features:

Cross-Platform Development Rich Documentation Mature and Stable Comprehensive UI Components

Open Source

Neutralino is a lightweight application development framework.

Key NeutralinoJS features:

Lightweight Cross-Platform No Dependencies Required Native Feel

Open Source

Fast, light HTML UI solution for C++ apps.

Key Ultralight features:

Lightweight Cross-Platform High Performance

Open Source

nwjs.

Key NW.js features:

Cross-Platform Node.js Integration Chromium Embedded Full Access to Native APIs

Open Source

Photino is a lightweight open-source framework for building native, cross-platform desktop applications with Web UI technology.

Key Photino features:

Lightweight Cross-platform Open Source .NET and HTML/CSS/JavaScript Support

Open Source

GTK+ is a multi-platform toolkit for creating graphical user interfaces.

Key GTK features:

Cross-Platform Compatibility Rich Widget Set Open Source Language Bindings

Open Source

A framework for building native apps with React.

Key React Native features:

Cross-platform development Performance Community support Hot reloading

Open Source

Framework for building cross-platform desktop apps with web technologies (JavaScript, HTML and CSS).

Key DeskGap features:

Lightweight Cross-platform Integration with Web Technologies Familiar Development Environment

Open Source